[9.201-25] Error opening "Network Protection"->"Firewall"

Hi,
when opening the "Firewall" tab I get the following error message:

Can't use string ("0") as a HASH ref while "strict refs" in use at /wfe/asg/modules/asg_packetfilter.pm line 440.

I already tried rebooting the system.

While googling I found some other threads about a similar problem. It was suggested to run the command "cc get_dashboard_data" via SSH. The output looks normal though:

 vpn:/home/login # cc get_dashboard_data

{

          'appliance' => 'software',

          'appliance_model' => 'ASG',

          'appliance_subtype' => '',

          'ports' => {

                       'eth0' => [

                                   {

                                     'in' => '-',

                                     'link_status' => 1,

                                     'name' => 'used in lag0',

                                     'net_status' => '-',

                                     'op_status' => '-',

                                     'out' => '-',

                                     'type' => 'Link Aggregation'

                                   }

                                 ],

                       'eth1' => [

                                   {

                                     'in' => '4.1 kbit',

                                     'inperc' => '0.0963334894106735',

                                     'itf_ref' => 'REF_IntEthExternaWan',

.....

Any suggestions?

Many thanks in advance!

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